A substance has a hydrogen ion concentration of  figure 1.png)
. Find the pH of the substance.
(a) pH ? 7.4
(b) pH ? 5.4
(c) pH ? 3.4
(d) pH ? 4.4
(e) pH ? 2.4
(e) pH ? 2.4
Mathematics
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Solve the problem.An airplane is cruising at an altitude of 23,760 feet. What is the plane's altitude in miles?
A. 5.5 mi B. 4.5 mi C. 3.5 mi D. 9 mi
Mathematics
Write the decimal point in the correct location. 7.173 ÷ 0.3 = 2391
A. 2.391 B. 239.1 C. 23.91 D. 2391.0
Mathematics
Use synthetic division to show that g(x) is a factor of f (x), and complete the factorization of f (x).g(x) = x - 5, f (x) = x3 + 7x2 - 33x - 135
A. (x + 5) 2(x - 3) B. (x - 5)(x + 3) C. (x + 5)(x - 3)(x - 9) D. (x - 5)(x - 3) 2 E. (x - 5)(x + 3)(x + 9)
Mathematics
Graph the function.y = csc 
A. 
B. 
C. 
D. 
Mathematics